用直接滴定法测定食品还原糖含量时,所用标定溶液是()A、菲林试剂 B、样品 C、葡萄 发布时间:2017-11-08 05:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: 用直接滴定法测定食品还原糖含量时,所用标定溶液是()A、菲林试剂B、样品C、葡萄糖D、酒石酸甲钠
题型:单项选择题 情景会话。根据对话情景,选择适当的单词或句子。A: Good afternoon, Miss Yang. B: 1_________. 2_________, please? A: My name is Mary. 3_________? B: It's a desk. A: 4_________, Miss Yang.A. Thank you. B. Good afternoon. C. What's this in English? D. What's your name? 查看答案